Simultaneous Nadir Overpasses (SNOs) between AURA and NPP
TLE Epoch: 2020 9 20.  Predictions up to the next  14.0 days:

     Date     Time(AURA) AURA Lat/Lon Date Time(NPP) NPP Lat/Lon    Distance(km)  Time Diff(sec)
 09/21/2020   19:08:45   ( -79.21, -32.39) 09/21/2020   19:08:04  ( -79.21, -32.30)    1.96                41
 09/21/2020   19:58:06   (  79.40, 136.47) 09/21/2020   19:58:43  (  79.39, 136.39)    1.64                37
 09/24/2020   11:25:13   ( -79.27,  83.90) 09/24/2020   11:24:58  ( -79.28,  83.97)    1.47                15
 09/24/2020   12:14:33   (  79.50,-106.97) 09/24/2020   12:15:36  (  79.49,-107.06)    1.93                63
 09/27/2020   02:52:21   (  79.00,  30.48) 09/27/2020   02:51:15  (  79.00,  30.43)    0.92                66
 09/27/2020   03:41:39   ( -79.38,-159.56) 09/27/2020   03:41:50  ( -79.38,-159.50)    1.39                11
 09/29/2020   19:08:47   (  79.14, 147.19) 09/29/2020   19:08:07  (  79.14, 147.17)    0.58                40
 09/29/2020   19:58:07   ( -79.43, -43.30) 09/29/2020   19:58:44  ( -79.44, -43.23)    1.64                37
 10/02/2020   11:25:14   (  79.24, -96.35) 10/02/2020   11:25:00  (  79.24, -96.34)    0.17                14